What companies are Facebookers leaving for?

Now that Facebook has “quietly” IPO’d, it’s time for Suck to train his army of engineers on more meaningful pursuits. @elonmusk is a good role model. After Paypal, he’s been working on Tesla and SpaceX. Tesla has made electric cars sexy again and SpaceX just launched a Dragon. Granted, the movie “Social Network” was pretty good and it used to be fun thinking of Facebook as David fighting the Goliath, Google. But now, the rebels have become the Evil Empire. What companies are Facebookers leaving for?